Table of Contents
Citan 12001-C/15001-C BAH0094-3 12.2019 9
12.9.2
 Disconnecting the power supply .......................................................................................... 216
12.9.3 V-belt generator ................................................................................................................... 217
12.10 Checking the oil level in the Vario gearbox .......................................................................... 217
12.11 Cleaning the oil cooling / air pre-warming ............................................................................ 218
12.12 Wheels / tyres ...................................................................................................................... 218
12.12.1 Check the inflation pressure of the running gear tyres ........................................................ 218
12.12.2 Check the tyre inflation pressure on the support wheels ..................................................... 219
12.13 Tightening torques ............................................................................................................... 219
12.13.1 Check tightening torques of wheel nuts ............................................................................... 219
12.13.2 Checking the tightening torques of the axle bolts ................................................................ 220
12.13.3 Checking the tightening torques of the section struts .......................................................... 220
12.13.4 Check the tightening torques of the roller harrow holding arms .......................................... 220
12.13.5 Check the tightening torques of the lower link pins ............................................................. 221
12.14 Axle and brake ..................................................................................................................... 221
12.14.1 Lubrication points on the axle .............................................................................................. 221
12.14.2 Checking/adjusting the bearing clearance of the wheel hubs (specialist workshop) ........... 222
12.14.3 Service brake system (all variants) ...................................................................................... 223
12.14.3.1 General visual inspection of the service brake system ........................................................ 223
12.14.3.2 General function check of the service brake system ........................................................... 223
12.14.3.3 Checking the service brake system for safe operating condition (specialist workshop)...... 224
12.14.3.4 Checking the brake drum for dirt (specialist workshop) ....................................................... 224
12.14.3.5 Brake pad check .................................................................................................................. 225
12.14.4 Dual-circuit pneumatic braking system ................................................................................ 225
12.14.4.1 Visual inspection of the dual-circuit pneumatic braking system .......................................... 226
12.14.4.2 Exterior inspection of the compressed air tank (dual-circuit pneumatic braking system) .... 226
12.14.5 Brake inspection (specialist workshop) ................................................................................ 227
12.14.5.1 Checking the pressure in the compressed air tank of the dual-circuit pneumatic braking
system (specialist workshop) ............................................................................................... 228
12.14.5.2 Leak test of the dual-circuit pneumatic braking system (specialist workshop) ................... 228
12.14.5.3 Cleaning the line filters (specialist workshop) ...................................................................... 228
12.14.5.4 Adjustment on the slack adjuster (specialist workshop) ...................................................... 229
12.14.5.5 Checking the function of the automatic slack adjuster ........................................................ 229
12.14.6 Hydraulic brakes .................................................................................................................. 230
12.15 On-board hydraulics – Oil check and oil filter change ......................................................... 231
12.15.1 Oil filter change .................................................................................................................... 232
12.16 Hydraulic system (specialist workshop) ............................................................................... 233
12.16.1 Labelling of hydraulic hose lines .......................................................................................... 234
12.16.2 Inspection criteria for hydraulic hose lines ........................................................................... 234
12.16.3 Installation and removal of hydraulic hose lines .................................................................. 236
12.16.4 Repairs to the pressure tank (workshop) ............................................................................. 237
12.17 Bolt tightening torques ......................................................................................................... 238
13 Hydraulic diagram .................................................................................... 240
13.1 Standard hydraulic system ................................................................................................... 240
13.2 Hydraulic system with on-board hydraulic system / on-board electrical system ................. 242
13.3 Hydraulic system with on-board electrical system ............................................................... 244
13.4 Hydraulic system with track marker (12001-C) .................................................................... 246
14 Notes ......................................................................................................... 249